For 2026 travel, buying in advance is almost always better, but there is a specific "sweet spot" to avoid overpaying. For domestic flights, the best prices are typically found 1 to 3 months before departure. For international trips, that window expands to 4 to 7 months. Buying "too early" (such as 11 months out) can actually be more expensive, as airlines haven't yet released their promotional "sale" fares. However, waiting until the last minute (within 14 days) is a significant risk, as prices for business travelers tend to skyrocket during this period. In 2026, with high fuel costs and limited capacity, "last-minute deals" are increasingly rare. A peer-to-peer recommendation is to use tools like Google Flights or Hopper to set price alerts; once you see the price drop into the "low" range for your route, book it immediately. Many airlines now offer "Price Guarantee" features where they will refund the difference if the price drops after you book, providing more incentive to secure your seat early.